Related Manuals for Nilfisk cfm VHW 201
Summary of Contents for Nilfisk cfm VHW 201
- Page 1 VHW 201-211 Service Manual SM VHW 201-211 10/14 Nilfisk-CFM Via Porrettana 1991 - 41059 Zocca (Modena) Italy - Tel. +39 059 9730000 - Fax +39 059 9730065 - www.nilfisk-cfm.com - info@nilfisk-cfm.com S.p.A.
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Page 2: Table Of Contents
F Spare parts ............................. page 36 F.1 - Spare parts ....................page 37 G Tools ..............................page 38 G.1 - Special tools ..................... page 39 H Wiring ..............................page 40 H.1 - Wiring diagram ..................page 41 VHW 201 - 211 Service Manual... -
Page 3: Preface
Preface This manual provides essential information for repairing VHW 201- 211 series vacuum cleaners. When doing repairs, make sure that a suitable workbench and the required electrical connection are available. If particular anomalies are noticed during maintenance, please inform the customer who should have the user manual. -
Page 4: Symbols
This symbol is used to indicate the safety instructions which must be observed to prevent damaging the vacuum cleaner and malfunctions. This symbol indicates suggestions and instructions to simplify jobs and guarantee safe working conditions. VHW 201 - 211 Service Manual... -
Page 5: Safety Guidelines
Safety instructions... -
Page 6: Operator Safety
Do not perform any operation that could jeopardize the safety of people, property and the environment. Comply with the safety indications and prescriptions in this service manual. Observe national laws and safety regulations on the sale of electrical appliances, in particular EN60335-2-69- Ann. AA VHW 201 - 211 Service Manual... - Page 7 Contact an authorized service centre to perform any maintenance which is not described in this manual. WARNING - DANGER ! Take care not to raise dust during maintenance operations. Wear a P3 protective mask. VHW 201 - 211 Service Manual...
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Page 8: B Technical Data
Technical data... -
Page 9: Technical Data
Notes: • Storage conditions: T : -10 +40°C - Humidity: ≤ 85% • Operating conditions: Maximum altitude 800 m (up to 2000 m with reduced performance) - T: -10 +40°C - Humidity: ≤ 85% VHW 201 - 211 Service Manual... -
Page 10: C Components
Components... -
Page 11: Front Side
C.1 Front side Container Base C.2 - Rear side Electrical panel Exhaust silencer on basic versions (only VHW 211) VHW 201 - 211 Service Manual... -
Page 12: Optional Exhaust Silencer
C.3 Optional exhaust silencer Exhaust silencer on Atex and/or AD versions VHW 201 - 211 Service Manual... -
Page 13: Filter, Inlet, And Deflector
C.4 - Filter, inlet, and deflector Ring Filter Seal Inlet Deflector VHW 201 - 211 Service Manual... -
Page 14: D Operation
Vacuum cleaner operation... -
Page 15: Controls And Indicators
Turn the vacuum cleaner on and off with the on/off switch of the electrical Start/stop switch system. Wait to let the dust settle before restarting the vacuum cleaner. If the filter is still clogged, clean it and/or replace it. VHW 201 - 211 Service Manual... -
Page 16: E Troubleshooting
Troubleshooting... -
Page 17: Esd (Electrostatic Discharge)
• Transport electronic components in conductive packaging (special packs to discharge electrostatic charges for example). Before proceeding with these operations, turn off the vacuum cleaner and remove the plug from the power socket. VHW 201 - 211 Service Manual... -
Page 18: Initial Operations
E.2 - Initial operations Remove the suction hose. Remove the lid by pulling the knob. Remove the container opening the two latches. VHW 201 - 211 Service Manual... - Page 19 E.2 - Initial operations Remove the container. Remove the suction hose from the blower. VHW 201 - 211 Service Manual...
- Page 20 E.2 - Initial operations Remove the diffuser container by unscrewing the knob. Remove the exhaust connection by unscrewing it. VHW 201 - 211 Service Manual...
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Page 21: Electrical Panel
The 3 phases of the power cord are connected to the 3 top terminals. Remove then the cables from the box. When reassembling, secure the ground cables to the marked ground terminal. After wiring, check that the terminals are tight. VHW 201 - 211 Service Manual... - Page 22 E.3 - Electrical panel Remove the motor circuit breaker just pushing the cutout down and pulling the button out. VHW 201 - 211 Service Manual...
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Page 23: Motor
Rotate the relief valve by 90° counterclockwise and lock it in the position shown in the picture. The valve should not interfere with the chassis when removing the blower. Loosen the 4 screws which secure the blower to the chassis. VHW 201 - 211 Service Manual... - Page 24 Remove the 4 screws which secure the blower to the chassis. Remove the blower from the unit and place it on the workbench. Remove the relief valve from the blower unscrewing it counterclockwise. Unscrew the 4 screws of the electrical box cover. VHW 201 - 211 Service Manual...
- Page 25 Remove the cable connecting the blower to the motor starter and the power cord, unscrewing the nuts that fix the wires in the terminal box. The motor connections are shown on the back of the cover. VHW 201 - 211 Service Manual...
- Page 26 All the "Faston" connectors have been crimped correctly. Check they cannot be pulled off the wires. All the ground wires are connected. The switches should switch on/off correctly. Correct indicator operation (if present). If the electrical components malfunction, do not try to repair them. Replace the component. VHW 201 - 211 Service Manual...
- Page 27 VHW 201 - 211 Service Manual...
- Page 28 Close the motor box after positioning the wires correctly and neatly inside. Make sure the seal is positioned correctly and no wires are crushed or can be damaged. VHW 201 - 211 Service Manual...
- Page 29 - Tighten or loosen the spring in order to reach the maximum electrical input indicated on the motor plate. - Manually check the spring movement and check the electrical input again. Lock the adjustment by tightening the 2 bolts together. VHW 201 - 211 Service Manual...
- Page 30 E.3 - Motor Check again the spring operation and the proper sliding of the valve. Use the sealant to lock the calibration and ensure that the nut does not loosen or unscrew. VHW 201 - 211 Service Manual...
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Page 31: Base
Place the base on the workbench and turn it upside down. Remove the latches supports from the base removing the fixing screw to the base from the inside. Remove the lid locking plate removing the screw in the center of it. VHW 201 - 211 Service Manual... - Page 32 E.4 - Base Remove the electrical panel support by unscrewing the two fixing screws. Remove the handle by removing the cap and unscrewing the fixing screws. VHW 201 - 211 Service Manual...
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Page 33: Container And Filter
E.5 - Container and filter Remove the lid pulling one knob. Remove the filter cage just removing the screw in the center of the lid VHW 201 - 211 Service Manual... - Page 34 Refer to the laws in force. The filter must be changed if it is blocked, torn or cannot guarantee high filtering efficiency. If shaking the filter is not enough, it must be replaced. VHW 201 - 211 Service Manual...
- Page 35 To remove the filter from the ring, remove the tie unscrewing it. Remove the inlet and deflector removing the 4 fixing screws. Remove the knobs from the lid unscrewing the nut in the internal part. . VHW 201 - 211 Service Manual...
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Page 36: F Spare Parts
Spare parts... -
Page 37: Spare Parts
F.1 - Spare parts Use the current spare parts list. VHW 201 - 211 Service Manual... -
Page 38: G Tools
Tools... -
Page 39: Special Tools
Used to check the amperage (Amps) and voltage (Volts). Vacuum meter Used to measure the vacuum pressure with the inlet closed (mbar). Airflow meter Used to measure the airflow with the inlet open (m /h). VHW 201 - 211 Service Manual... -
Page 40: H Wiring
Wiring... -
Page 41: Wiring Diagram
H.1 - Wiring VHW 201 - 211 Service Manual...